1 /*
2 * Copyright (c) 1998, 2018, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 #include "precompiled.hpp"
26 #include "jvm.h"
27 #include "code/codeBlob.hpp"
28 #include "code/codeCache.hpp"
29 #include "code/icBuffer.hpp"
30 #include "code/relocInfo.hpp"
31 #include "code/vtableStubs.hpp"
32 #include "compiler/disassembler.hpp"
33 #include "interpreter/bytecode.hpp"
34 #include "memory/allocation.inline.hpp"
35 #include "memory/heap.hpp"
36 #include "memory/resourceArea.hpp"
37 #include "oops/oop.inline.hpp"
38 #include "prims/forte.hpp"
39 #include "runtime/handles.inline.hpp"
40 #include "runtime/interfaceSupport.inline.hpp"
41 #include "runtime/mutexLocker.hpp"
42 #include "runtime/safepoint.hpp"
43 #include "runtime/sharedRuntime.hpp"
44 #include "runtime/vframe.hpp"
45 #include "services/memoryService.hpp"
46 #include "utilities/align.hpp"
47 #ifdef COMPILER1
48 #include "c1/c1_Runtime1.hpp"
49 #endif
50
51 const char* CodeBlob::compiler_name() const {
52 return compilertype2name(_type);
53 }
54
55 unsigned int CodeBlob::align_code_offset(int offset) {
56 // align the size to CodeEntryAlignment
57 return
58 ((offset + (int)CodeHeap::header_size() + (CodeEntryAlignment-1)) & ~(CodeEntryAlignment-1))
59 - (int)CodeHeap::header_size();
60 }
61
62
63 // This must be consistent with the CodeBlob constructor's layout actions.
64 unsigned int CodeBlob::allocation_size(CodeBuffer* cb, int header_size) {
65 unsigned int size = header_size;
66 size += align_up(cb->total_relocation_size(), oopSize);
67 // align the size to CodeEntryAlignment
68 size = align_code_offset(size);
69 size += align_up(cb->total_content_size(), oopSize);
70 size += align_up(cb->total_oop_size(), oopSize);
71 size += align_up(cb->total_metadata_size(), oopSize);
72 return size;
73 }
74
75 CodeBlob::CodeBlob(const char* name, CompilerType type, const CodeBlobLayout& layout, int frame_complete_offset, int frame_size, ImmutableOopMapSet* oop_maps, bool caller_must_gc_arguments) :
76 _type(type),
77 _size(layout.size()),
78 _header_size(layout.header_size()),
79 _frame_complete_offset(frame_complete_offset),
80 _data_offset(layout.data_offset()),
81 _frame_size(frame_size),
82 _code_begin(layout.code_begin()),
83 _code_end(layout.code_end()),
84 _content_begin(layout.content_begin()),
85 _data_end(layout.data_end()),
86 _relocation_begin(layout.relocation_begin()),
87 _relocation_end(layout.relocation_end()),
88 _oop_maps(oop_maps),
89 _caller_must_gc_arguments(caller_must_gc_arguments),
90 _strings(CodeStrings()),
91 _name(name)
92 {
93 assert(is_aligned(layout.size(), oopSize), "unaligned size");
94 assert(is_aligned(layout.header_size(), oopSize), "unaligned size");
95 assert(is_aligned(layout.relocation_size(), oopSize), "unaligned size");
96 assert(layout.code_end() == layout.content_end(), "must be the same - see code_end()");
97 #ifdef COMPILER1
98 // probably wrong for tiered
99 assert(_frame_size >= -1, "must use frame size or -1 for runtime stubs");
100 #endif // COMPILER1
101 }
102
103 CodeBlob::CodeBlob(const char* name, CompilerType type, const CodeBlobLayout& layout, CodeBuffer* cb, int frame_complete_offset, int frame_size, OopMapSet* oop_maps, bool caller_must_gc_arguments) :
104 _type(type),
105 _size(layout.size()),
106 _header_size(layout.header_size()),
107 _frame_complete_offset(frame_complete_offset),
108 _data_offset(layout.data_offset()),
109 _frame_size(frame_size),
110 _code_begin(layout.code_begin()),
111 _code_end(layout.code_end()),
112 _content_begin(layout.content_begin()),
113 _data_end(layout.data_end()),
114 _relocation_begin(layout.relocation_begin()),
115 _relocation_end(layout.relocation_end()),
116 _caller_must_gc_arguments(caller_must_gc_arguments),
117 _strings(CodeStrings()),
118 _name(name)
119 {
120 assert(is_aligned(_size, oopSize), "unaligned size");
121 assert(is_aligned(_header_size, oopSize), "unaligned size");
122 assert(_data_offset <= _size, "codeBlob is too small");
123 assert(layout.code_end() == layout.content_end(), "must be the same - see code_end()");
124
125 set_oop_maps(oop_maps);
126 #ifdef COMPILER1
127 // probably wrong for tiered
128 assert(_frame_size >= -1, "must use frame size or -1 for runtime stubs");
129 #endif // COMPILER1
130 }
131
132
133 // Creates a simple CodeBlob. Sets up the size of the different regions.
134 RuntimeBlob::RuntimeBlob(const char* name, int header_size, int size, int frame_complete, int locs_size)
135 : CodeBlob(name, compiler_none, CodeBlobLayout((address) this, size, header_size, locs_size, size), frame_complete, 0, NULL, false /* caller_must_gc_arguments */)
136 {
137 assert(is_aligned(locs_size, oopSize), "unaligned size");
138 }
139
140
141 // Creates a RuntimeBlob from a CodeBuffer
142 // and copy code and relocation info.
143 RuntimeBlob::RuntimeBlob(
144 const char* name,
145 CodeBuffer* cb,
146 int header_size,
147 int size,
148 int frame_complete,
149 int frame_size,
150 OopMapSet* oop_maps,
151 bool caller_must_gc_arguments
152 ) : CodeBlob(name, compiler_none, CodeBlobLayout((address) this, size, header_size, cb), cb, frame_complete, frame_size, oop_maps, caller_must_gc_arguments) {
153 cb->copy_code_and_locs_to(this);
154 }
155
156 void CodeBlob::flush() {
157 if (_oop_maps) {
158 FREE_C_HEAP_ARRAY(unsigned char, _oop_maps);
159 _oop_maps = NULL;
160 }
161 _strings.free();
162 }
163
164 void CodeBlob::set_oop_maps(OopMapSet* p) {
165 // Danger Will Robinson! This method allocates a big
166 // chunk of memory, its your job to free it.
167 if (p != NULL) {
168 _oop_maps = ImmutableOopMapSet::build_from(p);
169 } else {
170 _oop_maps = NULL;
171 }
172 }
173
174
175 void RuntimeBlob::trace_new_stub(RuntimeBlob* stub, const char* name1, const char* name2) {
176 // Do not hold the CodeCache lock during name formatting.
177 assert(!CodeCache_lock->owned_by_self(), "release CodeCache before registering the stub");
178
179 if (stub != NULL) {
180 char stub_id[256];
181 assert(strlen(name1) + strlen(name2) < sizeof(stub_id), "");
182 jio_snprintf(stub_id, sizeof(stub_id), "%s%s", name1, name2);
183 if (PrintStubCode) {
184 ttyLocker ttyl;
185 tty->print_cr("Decoding %s " INTPTR_FORMAT, stub_id, (intptr_t) stub);
186 Disassembler::decode(stub->code_begin(), stub->code_end());
187 tty->cr();
188 }
189 Forte::register_stub(stub_id, stub->code_begin(), stub->code_end());
190
191 if (JvmtiExport::should_post_dynamic_code_generated()) {
192 const char* stub_name = name2;
193 if (name2[0] == '\0') stub_name = name1;
194 JvmtiExport::post_dynamic_code_generated(stub_name, stub->code_begin(), stub->code_end());
195 }
196 }
197
198 // Track memory usage statistic after releasing CodeCache_lock
199 MemoryService::track_code_cache_memory_usage();
200 }
201
202 const ImmutableOopMap* CodeBlob::oop_map_for_return_address(address return_address) {
203 assert(_oop_maps != NULL, "nope");
204 return _oop_maps->find_map_at_offset((intptr_t) return_address - (intptr_t) code_begin());
205 }
206
207 void CodeBlob::print_code() {
208 ResourceMark m;
209 Disassembler::decode(this, tty);
210 }
211
212 //----------------------------------------------------------------------------------------------------
213 // Implementation of BufferBlob
214
215
216 BufferBlob::BufferBlob(const char* name, int size)
217 : RuntimeBlob(name, sizeof(BufferBlob), size, CodeOffsets::frame_never_safe, /*locs_size:*/ 0)
218 {}
219
220 BufferBlob* BufferBlob::create(const char* name, int buffer_size) {
221 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock
222
223 BufferBlob* blob = NULL;
224 unsigned int size = sizeof(BufferBlob);
225 // align the size to CodeEntryAlignment
226 size = CodeBlob::align_code_offset(size);
227 size += align_up(buffer_size, oopSize);
228 assert(name != NULL, "must provide a name");
229 {
230 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
231 blob = new (size) BufferBlob(name, size);
232 }
233 // Track memory usage statistic after releasing CodeCache_lock
234 MemoryService::track_code_cache_memory_usage();
235
236 return blob;
237 }
238
239
240 BufferBlob::BufferBlob(const char* name, int size, CodeBuffer* cb)
241 : RuntimeBlob(name, cb, sizeof(BufferBlob), size, CodeOffsets::frame_never_safe, 0, NULL)
242 {}
243
244 BufferBlob* BufferBlob::create(const char* name, CodeBuffer* cb) {
245 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock
246
247 BufferBlob* blob = NULL;
248 unsigned int size = CodeBlob::allocation_size(cb, sizeof(BufferBlob));
249 assert(name != NULL, "must provide a name");
250 {
251 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
252 blob = new (size) BufferBlob(name, size, cb);
253 }
254 // Track memory usage statistic after releasing CodeCache_lock
255 MemoryService::track_code_cache_memory_usage();
256
257 return blob;
258 }
259
260 void* BufferBlob::operator new(size_t s, unsigned size) throw() {
261 return CodeCache::allocate(size, CodeBlobType::NonNMethod);
262 }
263
264 void BufferBlob::free(BufferBlob *blob) {
265 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock
266 blob->flush();
267 {
268 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
269 CodeCache::free((RuntimeBlob*)blob);
270 }
271 // Track memory usage statistic after releasing CodeCache_lock
272 MemoryService::track_code_cache_memory_usage();
273 }
274
275 BufferBlob::BufferBlob(const char* name, int size, CodeBuffer* cb, int frame_complete, int frame_size, OopMapSet* oop_maps, bool caller_must_gc_arguments)
276 : RuntimeBlob(name, cb, sizeof(BufferBlob), size, frame_complete, frame_size, oop_maps, caller_must_gc_arguments)
277 {}
278
279
280 //----------------------------------------------------------------------------------------------------
281 // Implementation of AdapterBlob
282
283 AdapterBlob::AdapterBlob(int size, CodeBuffer* cb, int frame_complete, int frame_size, OopMapSet* oop_maps, bool caller_must_gc_arguments) :
284 BufferBlob("I2C/C2I adapters", size, cb, frame_complete, frame_size, oop_maps, caller_must_gc_arguments) {
285 CodeCache::commit(this);
286 }
287
288 AdapterBlob* AdapterBlob::create(CodeBuffer* cb, int frame_complete, int frame_size, OopMapSet* oop_maps, bool caller_must_gc_arguments) {
289 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock
290
291 AdapterBlob* blob = NULL;
292 unsigned int size = CodeBlob::allocation_size(cb, sizeof(AdapterBlob));
293 {
294 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
295 blob = new (size) AdapterBlob(size, cb, frame_complete, frame_size, oop_maps, caller_must_gc_arguments);
296 }
297 // Track memory usage statistic after releasing CodeCache_lock
298 MemoryService::track_code_cache_memory_usage();
299
300 return blob;
301 }
302
303 VtableBlob::VtableBlob(const char* name, int size) :
304 BufferBlob(name, size) {
305 }
306
307 VtableBlob* VtableBlob::create(const char* name, int buffer_size) {
308 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock
309
310 VtableBlob* blob = NULL;
311 unsigned int size = sizeof(VtableBlob);
312 // align the size to CodeEntryAlignment
313 size = align_code_offset(size);
314 size += align_up(buffer_size, oopSize);
315 assert(name != NULL, "must provide a name");
316 {
317 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
318 blob = new (size) VtableBlob(name, size);
319 }
320 // Track memory usage statistic after releasing CodeCache_lock
321 MemoryService::track_code_cache_memory_usage();
322
323 return blob;
324 }
325
326 //----------------------------------------------------------------------------------------------------
327 // Implementation of MethodHandlesAdapterBlob
328
329 MethodHandlesAdapterBlob* MethodHandlesAdapterBlob::create(int buffer_size) {
330 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock
331
332 MethodHandlesAdapterBlob* blob = NULL;
333 unsigned int size = sizeof(MethodHandlesAdapterBlob);
334 // align the size to CodeEntryAlignment
335 size = CodeBlob::align_code_offset(size);
336 size += align_up(buffer_size, oopSize);
337 {
338 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
339 blob = new (size) MethodHandlesAdapterBlob(size);
340 if (blob == NULL) {
341 vm_exit_out_of_memory(size, OOM_MALLOC_ERROR, "CodeCache: no room for method handle adapter blob");
342 }
343 }
344 // Track memory usage statistic after releasing CodeCache_lock
345 MemoryService::track_code_cache_memory_usage();
346
347 return blob;
348 }
349
350 //----------------------------------------------------------------------------------------------------
351 // Implementation of BufferedValueTypeBlob
352 BufferedValueTypeBlob::BufferedValueTypeBlob(int size, CodeBuffer* cb, int pack_fields_off, int unpack_fields_off) :
353 BufferBlob("buffered value type", size, cb),
354 _pack_fields_off(pack_fields_off),
355 _unpack_fields_off(unpack_fields_off) {
356 CodeCache::commit(this);
357 }
358
359 BufferedValueTypeBlob* BufferedValueTypeBlob::create(CodeBuffer* cb, int pack_fields_off, int unpack_fields_off) {
360 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock
361
362 BufferedValueTypeBlob* blob = NULL;
363 unsigned int size = CodeBlob::allocation_size(cb, sizeof(BufferedValueTypeBlob));
364 {
365 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
366 blob = new (size) BufferedValueTypeBlob(size, cb, pack_fields_off, unpack_fields_off);
367 }
368 // Track memory usage statistic after releasing CodeCache_lock
369 MemoryService::track_code_cache_memory_usage();
370
371 return blob;
372 }
373
374 //----------------------------------------------------------------------------------------------------
375 // Implementation of RuntimeStub
376
377 RuntimeStub::RuntimeStub(
378 const char* name,
379 CodeBuffer* cb,
380 int size,
381 int frame_complete,
382 int frame_size,
383 OopMapSet* oop_maps,
384 bool caller_must_gc_arguments
385 )
386 : RuntimeBlob(name, cb, sizeof(RuntimeStub), size, frame_complete, frame_size, oop_maps, caller_must_gc_arguments)
387 {
388 }
389
390 RuntimeStub* RuntimeStub::new_runtime_stub(const char* stub_name,
391 CodeBuffer* cb,
392 int frame_complete,
393 int frame_size,
394 OopMapSet* oop_maps,
395 bool caller_must_gc_arguments)
396 {
397 RuntimeStub* stub = NULL;
398 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock
399 {
400 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
401 unsigned int size = CodeBlob::allocation_size(cb, sizeof(RuntimeStub));
402 stub = new (size) RuntimeStub(stub_name, cb, size, frame_complete, frame_size, oop_maps, caller_must_gc_arguments);
403 }
404
405 trace_new_stub(stub, "RuntimeStub - ", stub_name);
406
407 return stub;
408 }
409
410
411 void* RuntimeStub::operator new(size_t s, unsigned size) throw() {
412 void* p = CodeCache::allocate(size, CodeBlobType::NonNMethod);
413 if (!p) fatal("Initial size of CodeCache is too small");
414 return p;
415 }
416
417 // operator new shared by all singletons:
418 void* SingletonBlob::operator new(size_t s, unsigned size) throw() {
419 void* p = CodeCache::allocate(size, CodeBlobType::NonNMethod);
420 if (!p) fatal("Initial size of CodeCache is too small");
421 return p;
422 }
423
424
425 //----------------------------------------------------------------------------------------------------
426 // Implementation of DeoptimizationBlob
427
428 DeoptimizationBlob::DeoptimizationBlob(
429 CodeBuffer* cb,
430 int size,
431 OopMapSet* oop_maps,
432 int unpack_offset,
433 int unpack_with_exception_offset,
434 int unpack_with_reexecution_offset,
435 int frame_size
436 )
437 : SingletonBlob("DeoptimizationBlob", cb, sizeof(DeoptimizationBlob), size, frame_size, oop_maps)
438 {
439 _unpack_offset = unpack_offset;
440 _unpack_with_exception = unpack_with_exception_offset;
441 _unpack_with_reexecution = unpack_with_reexecution_offset;
442 #ifdef COMPILER1
443 _unpack_with_exception_in_tls = -1;
444 #endif
445 }
446
447
448 DeoptimizationBlob* DeoptimizationBlob::create(
449 CodeBuffer* cb,
450 OopMapSet* oop_maps,
451 int unpack_offset,
452 int unpack_with_exception_offset,
453 int unpack_with_reexecution_offset,
454 int frame_size)
455 {
456 DeoptimizationBlob* blob = NULL;
457 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock
458 {
459 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
460 unsigned int size = CodeBlob::allocation_size(cb, sizeof(DeoptimizationBlob));
461 blob = new (size) DeoptimizationBlob(cb,
462 size,
463 oop_maps,
464 unpack_offset,
465 unpack_with_exception_offset,
466 unpack_with_reexecution_offset,
467 frame_size);
468 }
469
470 trace_new_stub(blob, "DeoptimizationBlob");
471
472 return blob;
473 }
474
475
476 //----------------------------------------------------------------------------------------------------
477 // Implementation of UncommonTrapBlob
478
479 #ifdef COMPILER2
480 UncommonTrapBlob::UncommonTrapBlob(
481 CodeBuffer* cb,
482 int size,
483 OopMapSet* oop_maps,
484 int frame_size
485 )
486 : SingletonBlob("UncommonTrapBlob", cb, sizeof(UncommonTrapBlob), size, frame_size, oop_maps)
487 {}
488
489
490 UncommonTrapBlob* UncommonTrapBlob::create(
491 CodeBuffer* cb,
492 OopMapSet* oop_maps,
493 int frame_size)
494 {
495 UncommonTrapBlob* blob = NULL;
496 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock
497 {
498 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
499 unsigned int size = CodeBlob::allocation_size(cb, sizeof(UncommonTrapBlob));
500 blob = new (size) UncommonTrapBlob(cb, size, oop_maps, frame_size);
501 }
502
503 trace_new_stub(blob, "UncommonTrapBlob");
504
505 return blob;
506 }
507
508
509 #endif // COMPILER2
510
511
512 //----------------------------------------------------------------------------------------------------
513 // Implementation of ExceptionBlob
514
515 #ifdef COMPILER2
516 ExceptionBlob::ExceptionBlob(
517 CodeBuffer* cb,
518 int size,
519 OopMapSet* oop_maps,
520 int frame_size
521 )
522 : SingletonBlob("ExceptionBlob", cb, sizeof(ExceptionBlob), size, frame_size, oop_maps)
523 {}
524
525
526 ExceptionBlob* ExceptionBlob::create(
527 CodeBuffer* cb,
528 OopMapSet* oop_maps,
529 int frame_size)
530 {
531 ExceptionBlob* blob = NULL;
532 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock
533 {
534 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
535 unsigned int size = CodeBlob::allocation_size(cb, sizeof(ExceptionBlob));
536 blob = new (size) ExceptionBlob(cb, size, oop_maps, frame_size);
537 }
538
539 trace_new_stub(blob, "ExceptionBlob");
540
541 return blob;
542 }
543
544
545 #endif // COMPILER2
546
547
548 //----------------------------------------------------------------------------------------------------
549 // Implementation of SafepointBlob
550
551 SafepointBlob::SafepointBlob(
552 CodeBuffer* cb,
553 int size,
554 OopMapSet* oop_maps,
555 int frame_size
556 )
557 : SingletonBlob("SafepointBlob", cb, sizeof(SafepointBlob), size, frame_size, oop_maps)
558 {}
559
560
561 SafepointBlob* SafepointBlob::create(
562 CodeBuffer* cb,
563 OopMapSet* oop_maps,
564 int frame_size)
565 {
566 SafepointBlob* blob = NULL;
567 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock
568 {
569 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
570 unsigned int size = CodeBlob::allocation_size(cb, sizeof(SafepointBlob));
571 blob = new (size) SafepointBlob(cb, size, oop_maps, frame_size);
572 }
573
574 trace_new_stub(blob, "SafepointBlob");
575
576 return blob;
577 }
578
579
580 //----------------------------------------------------------------------------------------------------
581 // Verification and printing
582
583 void CodeBlob::print_on(outputStream* st) const {
584 st->print_cr("[CodeBlob (" INTPTR_FORMAT ")]", p2i(this));
585 st->print_cr("Framesize: %d", _frame_size);
586 }
587
588 void CodeBlob::print_value_on(outputStream* st) const {
589 st->print_cr("[CodeBlob]");
590 }
591
592 void CodeBlob::dump_for_addr(address addr, outputStream* st, bool verbose) const {
593 if (is_buffer_blob()) {
594 // the interpreter is generated into a buffer blob
595 InterpreterCodelet* i = Interpreter::codelet_containing(addr);
596 if (i != NULL) {
597 st->print_cr(INTPTR_FORMAT " is at code_begin+%d in an Interpreter codelet", p2i(addr), (int)(addr - i->code_begin()));
598 i->print_on(st);
599 return;
600 }
601 if (Interpreter::contains(addr)) {
602 st->print_cr(INTPTR_FORMAT " is pointing into interpreter code"
603 " (not bytecode specific)", p2i(addr));
604 return;
605 }
606 //
607 if (AdapterHandlerLibrary::contains(this)) {
608 st->print_cr(INTPTR_FORMAT " is at code_begin+%d in an AdapterHandler", p2i(addr), (int)(addr - code_begin()));
609 AdapterHandlerLibrary::print_handler_on(st, this);
610 }
611 // the stubroutines are generated into a buffer blob
612 StubCodeDesc* d = StubCodeDesc::desc_for(addr);
613 if (d != NULL) {
614 st->print_cr(INTPTR_FORMAT " is at begin+%d in a stub", p2i(addr), (int)(addr - d->begin()));
615 d->print_on(st);
616 st->cr();
617 return;
618 }
619 if (StubRoutines::contains(addr)) {
620 st->print_cr(INTPTR_FORMAT " is pointing to an (unnamed) stub routine", p2i(addr));
621 return;
622 }
623 // the InlineCacheBuffer is using stubs generated into a buffer blob
624 if (InlineCacheBuffer::contains(addr)) {
625 st->print_cr(INTPTR_FORMAT " is pointing into InlineCacheBuffer", p2i(addr));
626 return;
627 }
628 VtableStub* v = VtableStubs::stub_containing(addr);
629 if (v != NULL) {
630 st->print_cr(INTPTR_FORMAT " is at entry_point+%d in a vtable stub", p2i(addr), (int)(addr - v->entry_point()));
631 v->print_on(st);
632 st->cr();
633 return;
634 }
635 }
636 if (is_nmethod()) {
637 nmethod* nm = (nmethod*)this;
638 ResourceMark rm;
639 st->print(INTPTR_FORMAT " is at entry_point+%d in (nmethod*)" INTPTR_FORMAT,
640 p2i(addr), (int)(addr - nm->entry_point()), p2i(nm));
641 if (verbose) {
642 st->print(" for ");
643 nm->method()->print_value_on(st);
644 }
645 st->cr();
646 nm->print_nmethod(verbose);
647 return;
648 }
649 st->print_cr(INTPTR_FORMAT " is at code_begin+%d in ", p2i(addr), (int)(addr - code_begin()));
650 print_on(st);
651 }
652
653 void RuntimeBlob::verify() {
654 ShouldNotReachHere();
655 }
656
657 void BufferBlob::verify() {
658 // unimplemented
659 }
660
661 void BufferBlob::print_on(outputStream* st) const {
662 RuntimeBlob::print_on(st);
663 print_value_on(st);
664 }
665
666 void BufferBlob::print_value_on(outputStream* st) const {
667 st->print_cr("BufferBlob (" INTPTR_FORMAT ") used for %s", p2i(this), name());
668 }
669
670 void RuntimeStub::verify() {
671 // unimplemented
672 }
673
674 void RuntimeStub::print_on(outputStream* st) const {
675 ttyLocker ttyl;
676 RuntimeBlob::print_on(st);
677 st->print("Runtime Stub (" INTPTR_FORMAT "): ", p2i(this));
678 st->print_cr("%s", name());
679 Disassembler::decode((RuntimeBlob*)this, st);
680 }
681
682 void RuntimeStub::print_value_on(outputStream* st) const {
683 st->print("RuntimeStub (" INTPTR_FORMAT "): ", p2i(this)); st->print("%s", name());
684 }
685
686 void SingletonBlob::verify() {
687 // unimplemented
688 }
689
690 void SingletonBlob::print_on(outputStream* st) const {
691 ttyLocker ttyl;
692 RuntimeBlob::print_on(st);
693 st->print_cr("%s", name());
694 Disassembler::decode((RuntimeBlob*)this, st);
695 }
696
697 void SingletonBlob::print_value_on(outputStream* st) const {
698 st->print_cr("%s", name());
699 }
700
701 void DeoptimizationBlob::print_value_on(outputStream* st) const {
702 st->print_cr("Deoptimization (frame not available)");
703 }